Guitar slide bar



FIG. 1 is a top front perspective view of a guitar slide bar showing my new design;

FIG. 2 is a top, rear perspective view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view thereof; and

FIG. 7 is a rear elevational view thereof. 

The ornamental design for a guitar slide bar, as shown. 